CVE-2026-105280 Hex writes unverified package tarballs to standard output in mix hex.package fetch

Improper Validation of Integrity Check Value vulnerability in hexpm hex allows a package mirror to substitute the tarball that mix hex.package fetch PACKAGE VERSION --output - writes to standard output. Hex compares a fetched tarball's inner and outer checksums with the repository's signed regist...

EEF-CVE-2026-105280 Hex writes unverified package tarballs to standard output in mix hex.package fetch

Summary Improper Validation of Integrity Check Value vulnerability in hexpm hex allows a package mirror to substitute the tarball that mix hex.package fetch PACKAGE VERSION --output - writes to standard output. Hex compares a fetched tarball's inner and outer checksums with the repository's signe...

CVE-2026-105280

The hexpm hex package (versions 0.20.2 before 2.5.2 ) is vulnerable to an Improper Validation of Integrity Check Value (CWE-354). When using mix hex.package fetch PACKAGE VERSION --output -, the tool writes bytes from Hex.SCM.fetch/3 directly to standard output without performing the required che...

CVE-2026-96618 Hex exhausts memory and disk on oversized or compressed responses from an untrusted mirror

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configured with...

CVE-2026-96618 Hex exhausts memory and disk on oversized or compressed responses from an untrusted mirror

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configured with...

EUVD-2026-97500

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configured with...

EEF-CVE-2026-96618 Hex exhausts memory and disk on oversized or compressed responses from an untrusted mirror

Summary Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configure...

CVE-2026-96618

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configured with...

CVE-2026-96618

The hexpm hex package (versions 0.11.2 before 2.5.2) is vulnerable to a Data Amplification attack where an untrusted mirror can exhaust a machine's memory or disk space. The root cause is that Hex.HTTP.request/5 decompresses gzip responses without enforcing size limits, and package tarballs/docs ...

CVE-2026-103503

The hexpm hex tool (versions 0.20.2 before 2.5.2 ) is vulnerable to Improper Certificate Validation (CWE-295 ). The root cause is that Hex.HTTP.SSL.partial_chain/2 uses a bundled CA store to build the partial chain callback regardless of whether a custom cacerts_path (HEX_CACERTS_PATH) is provide...

EUVD-2026-97497

Improper Certificate Validation vulnerability in hexpm hex allows an attacker who can intercept HTTPS connections, and holds a certificate for a Hex host issued by a CA in Hex's bundled CA store, to impersonate that host to users who set cacertspath to a CA store that leaves that CA out...

CVE-2026-103503

Improper Certificate Validation vulnerability in hexpm hex allows an attacker who can intercept HTTPS connections, and holds a certificate for a Hex host issued by a CA in Hex's bundled CA store, to impersonate that host to users who set cacertspath to a CA store that leaves that CA out...

CVE-2026-103503 Hex trusts its bundled CA certificates when cacerts_path is set

Improper Certificate Validation vulnerability in hexpm hex allows an attacker who can intercept HTTPS connections, and holds a certificate for a Hex host issued by a CA in Hex's bundled CA store, to impersonate that host to users who set cacertspath to a CA store that leaves that CA out...

CVE-2026-103503 Hex trusts its bundled CA certificates when cacerts_path is set

Improper Certificate Validation vulnerability in hexpm hex allows an attacker who can intercept HTTPS connections, and holds a certificate for a Hex host issued by a CA in Hex's bundled CA store, to impersonate that host to users who set cacertspath to a CA store that leaves that CA out...

EEF-CVE-2026-103503 Hex trusts its bundled CA certificates when cacerts_path is set

Summary Improper Certificate Validation vulnerability in hexpm hex allows an attacker who can intercept HTTPS connections, and holds a certificate for a Hex host issued by a CA in Hex's bundled CA store, to impersonate that host to users who set cacertspath to a CA store that leaves that CA out...

PT-2026-110581

Improper Certificate Validation vulnerability in hexpm hex core allows an attacker who can intercept HTTPS connections to impersonate hex.pm, repo.hex.pm or any other repository or API server to programs that use hex core's default HTTP adapter on Erlang/OTP 24, or on OTP 25 when the operating...

CVE-2026-105280: Improper Validation of Integrity Check Value

Improper Validation of Integrity Check Value vulnerability in hexpm hex allows a package mirror to substitute the tarball that mix hex.package fetch PACKAGE VERSION --output - writes to standard output. Hex compares a fetched tarball's inner and outer checksums with the repository's signed regist...

CVE-2026-105274: Improper Handling of Highly Compressed Data (Data Amplification)

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hexcore allows an untrusted repository mirror, or a server answering hexcore's API requests, to exhaust the memory of the Erlang VM running hexcore. The same code is vendored in Hex mixhexrepo, mixhexapi and...

CVE-2026-96618: Improper Handling of Highly Compressed Data (Data Amplification)

Improper Handling of Highly Compressed Data Data Amplification vulnerability in hexpm hex allows an untrusted package mirror to exhaust the memory or disk space of the machine running mix deps.get, mix deps.update, mix hex.package fetch or mix hex.docs fetch. Hex treats a mirror configured with...

CVE-2026-105668: Protection Mechanism Failure

Protection Mechanism Failure vulnerability in hexpm hex allows the owner of a package, or an attacker who has taken over the owner's account, to get a newly published release past the release-age cooldown. The cooldown cooldown config, HEXCOOLDOWN withholds versions younger than the configured ag...